Burckhardt, J. (1979). Reflections on history. Liberty Classics.
Chicagoスタイル(17版)引用形式Burckhardt, Jacob. Reflections on History. Indianapolis: Liberty Classics, 1979.
MLA(9版)引用形式Burckhardt, Jacob. Reflections on History. Liberty Classics, 1979.
警告: この引用は必ずしも正確ではありません.